build(deps): bump django-treebeard from 4.7.1 to 7.0.0

[dependabot]

Bumps django-treebeard from 4.7.1 to 7.0.0.

Changelog

Sourced from django-treebeard's changelog.

Release 7.0.0 (Aug 4, 2026)

• Treebeard's Django admin integration (AdminTree) has been rewritten. The new implementation is significantly more performant and scalable, and implements lazy-loading for node children. Projects that had overridden TreeAdmin behaviour should consult the code for changes.
• Added a max_depth argument to the get_tree() and get_descendants() methods, to allow control over the depth of the tree that is returned.
• Improved the efficiency of get_descendant_count() to use a database count instead of fetching the entire queryset (for MP, NS and LT implementations).
• Added support for Django 6.1.

Release 6.0.0 (Jul 20, 2026)

Treebeard 6.0.0 is a major release. It features a change to Treebeard's API.

The following methods that previously existing on the Node model class have now moved to the model manager instead:

• load_bulk
• dump_bulk
• find_problems
• fix_tree
• get_tree
• get_descendants_group_count
• get_annotated_list_qs
• get_annotated_list
• get_root_nodes
• get_first_root_node
• get_last_root_node
• get_children
• get_children_count
• get_siblings
• get_descendants
• get_descendant_count
• get_first_child
• get_last_child
• get_first_sibling
• get_last_sibling
• get_prev_sibling
• get_next_sibling
• get_root
• get_parent
• get_ancestors

So, for example, code like this:

    node.get_children()
</tr></table> 

... (truncated)

Commits

• a08ccb1 Bump to version 7.0.0
• 1da389e Defer removal of deprecated methods.
• 0a8e5cc Declare support for Django 6.1
• 9e001f8 Rework TreeAdmin to support lazy-loading of children, and much more efficient...
• 5551696 Refactor drag and drop implementation in admin
• 2f0c708 Fix MP add_child when the target is an ancestor class of the child being added.
• 1f93573 Add max_depth param to tree and descendant query APIs
• 115ec2a Change sphinx theme for docs. Clean up duplicated methods in docs.
• 736e1cd Bump to version 6
• abd9908 Move table-level methods into managers
• Additional commits viewable in compare view

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[mattiagiupponi]

test run https://github.com/GeoNode/geonode/actions/runs/31400926095

[giohappy]

Some methods have been moved from model to manager in version 6.0.0. It is relevant for GeoNode since it calls cls.get_tree(...) and child.get_root()
Backward-compat shims are available through 7.x, but will be removed in treebeard 8. So it still works under 7.0.0, likely with
deprecation warnings.

I suggest to migrate cls.get_tree(...) / child.get_root() to the manager form (HierarchicalKeyword.objects.get_tree(...)) to silence deprecation warnings and be ready for treebeard 8.